[Yandex Cloud documentation](../index.md) > [Yandex IoT Core](index.md) > Audit Trails events

# Yandex Audit Trails event reference

{% note warning %}

Yandex IoT Core is no longer available to new users. 

Current users can create resources until November 1, 2026. Afterwards, the service will go read-only and cease to operate on December 1, 2026. For more information on the timing and procedure, see [Service shutdown](sunset.md).

{% endnote %}

Audit Trails supports tracking control plane events for Yandex IoT Core. For more information, see [Management event audit log](../audit-trails/concepts/format.md).

The general format of the `event_type` value is as follows:

```text
yandex.cloud.audit.iot.<event_name>
```

Event name | Description
--- | ---
`broker.AddBrokerCertificate` | Adding a broker certificate
`broker.AddBrokerPassword` | Adding a broker password
`broker.CreateBroker` | Creating a broker
`broker.DeleteBroker` | Deleting a broker
`broker.DeleteBrokerCertificate` | Deleting a broker certificate
`broker.DeleteBrokerPassword` | Deleting a broker password
`broker.UpdateBroker` | Updating a broker
`devices.AddDeviceCertificate` | Adding a device certificate
`devices.AddDevicePassword` | Adding a device password
`devices.AddRegistryCertificate` | Adding a registry certificate
`devices.AddRegistryPassword` | Adding a registry password
`devices.CreateDevice` | Creating a device
`devices.CreateRegistry` | Creating a registry
`devices.DeleteDevice` | Deleting a device
`devices.DeleteDeviceCertificate` | Deleting a device certificate
`devices.DeleteDevicePassword` | Deleting a device password
`devices.DeleteRegistry` | Deleting a registry
`devices.DeleteRegistryCertificate` | Deleting a registry certificate
`devices.DeleteRegistryPassword` | Deleting a registry password
`devices.UpdateDevice` | Updating a device
`devices.UpdateRegistry` | Updating a registry